1 /* $OpenBSD: signal.h,v 1.2 1999/01/27 04:10:03 imp Exp $ */ 2 3 /* 4 * Copyright (c) 1992, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * Ralph Campbell. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 4. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * @(#)signal.h 8.1 (Berkeley) 6/10/93 35 * JNPR: signal.h,v 1.4 2007/01/08 04:58:37 katta 36 * $FreeBSD$ 37 */ 38 39 #ifndef _MACHINE_SIGNAL_H_ 40 #define _MACHINE_SIGNAL_H_ 41 42 #include <sys/cdefs.h> 43 #include <sys/_sigset.h> 44 45 /* 46 * Machine-dependent signal definitions 47 */ 48 49 typedef int sig_atomic_t; 50 51 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE) 52 /* 53 * Information pushed on stack when a signal is delivered. 54 * This is used by the kernel to restore state following 55 * execution of the signal handler. It is also made available 56 * to the handler to allow it to restore state properly if 57 * a non-standard exit is performed. 58 */ 59 60 struct sigcontext { 61 /* 62 * The fields following 'sc_mask' must match the definition 63 * of struct __mcontext. That way we can support 64 * struct sigcontext and ucontext_t at the same 65 * time. 66 */ 67 __sigset_t sc_mask; /* signal mask to restore */ 68 int sc_onstack; /* sigstack state to restore */ 69 __register_t sc_pc; /* pc at time of signal */ 70 __register_t sc_regs[32]; /* processor regs 0 to 31 */ 71 __register_t mullo, mulhi; /* mullo and mulhi registers... */ 72 int sc_fpused; /* fp has been used */ 73 f_register_t sc_fpregs[33]; /* fp regs 0 to 31 and csr */ 74 __register_t sc_fpc_eir; /* fp exception instruction reg */ 75 int xxx[8]; /* XXX reserved */ 76 }; 77 78 #endif /* !_ANSI_SOURCE && !_POSIX_SOURCE */ 79 80 #endif /* !_MACHINE_SIGNAL_H_ */ 81